SIMATIC S7-1500

Devices and networks in TIA shows a red cross on the drive in online view. Why?

There is an error with the communication setting between the drive and PLC. This could be caused by:

- Inconsistencies in IP address and/or Profinet name in drive and PLC configuration.
- Telegrams in the PLC and drive are not configured in the same order. 

SIMOTION

What safety category are the drive safety functions rated to?

SIL2, Cat.3/PL d

In an emergency stop state I disable my line module at the same time as the drives. Is this the best/safest way?

No. The line module should be disabled when all axes have stopped moving. This allows for the line module to regenerate any excess energy that is produced by the motors stopping. A typical example would be to use a delayed safety contact to disable the module after the SS1 delay time has expired. 

I have a flashing green COM light on my Control Unit. What does this mean?

Communication from a master device is partially or yet to be fully established. Therefore, cyclic communication is not possible.

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SIMATIC S7-1200

Devices and networks in TIA shows a red cross on the drive in online view. Why?

There is an error with the communication setting between the drive and PLC. This could be caused by:

- Inconsistencies in IP address and/or Profinet name in drive and PLC configuration.
- Telegrams in the PLC and drive are not configured in the same order. 


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